A third of everyone ever cast on this show was also on the writing staff. Fifty-eight of the 174 records carry a writing credit, which is 33.3%, and the share is not spread evenly across the fifty-two years of hiring the file covers.
A third of the roster, and a flag that will not say when
Before anything is built on that third, here is what the writing credit will not do. It is a bare true or false stored against a person. It does not say whether they wrote before joining the cast, during their run or after it. It does not say whether they wrote for one season or all of them, or whether the credit covers a staff job or a single sketch. It is a label on a career, not a record of one. Everything below is about who carries the label and how the group carrying it has changed, and nothing below is about anybody's sequence of jobs, because the file has no sequence in it.
The tenure figure is the first place that matters. The median cast member with a writing credit served 4 seasons against 3 for everyone else, and 3 is the roster median. That looks like a small edge for the double credit, and it does not survive a check. Five of the 58 are still employed, and they are Michael Che, Mikey Day, Andrew Dismukes, Colin Jost and Ben Marshall, three of whom already have ten seasons or more and no end date on their record. Recompute on finished careers only, 53 against 104, and the writer median falls to 3 and matches everyone else's exactly. The apparent edge is five unfinished runs, not a pattern. Writing did not buy anybody time.
The distribution says the same thing more bluntly. Seventeen of the 58 lasted a single season, or 29.3%, against 42 of the 116 without a writing credit, or 36.2%. Writer-performers are a few points less likely to have a one-season career, and no more than that. Nearly a third of the writer-performers were gone inside a year, so whatever the double credit marks, it is not durability.
What it does mark is an era. Of the fifteen people who joined between 1975 and 1979, ten carry the writing credit: Dan Aykroyd, John Belushi, Chevy Chase, Tom Davis, Al Franken, Garrett Morris, Bill Murray, Don Novello, Michael O'Donoghue and Harry Shearer. Two thirds of the original intake carries both credits. The five who were not are George Coe, Jane Curtin, Laraine Newman, Gilda Radner and Paul Shaffer, so the performer with no writing credit was the minority position in the opening years and has been the large majority ever since.
The obvious reading of those ten names is that the writers' room and the cast were close to the same room, and that some of the ten were hired as writers who ended up on camera rather than as performers who picked up a credit. That reading is general knowledge rather than anything the file holds, and it has to be marked as such: the roster stores a name, a set of stint years, a sourced season count and seven booleans, and none of those can tell you which job somebody was hired to do. What the data supports is narrower. Two thirds of the people the show hired in its first five years carry a writing credit somewhere in their careers, against a third of everyone hired since.
The curve, its two short bars, and the desk at the end of it
Sorted by the decade somebody first joined, the writing credits run 10, 22, 12, 5, 7 and 2. Those six numbers should not be read as a curve, for two separate reasons, and the second one is usually left out.
The first is cohort size. The show hired 50 people in the 1980s and 22 in the 2000s, so a fall from 22 credits to 5 is partly just a fall in hiring. As a share of each intake the six figures are 66.7%, 44.0%, 32.4%, 22.7%, 24.1% and 9.5%, which is the comparable measure and still falls by more than half.
The second is that the buckets are not the same length. The 1970s bucket covers 1975 to 1979, five years, because the show did not exist before 1975 and nobody could join it. The 2020s bucket holds only the hires that were in the file when it was retrieved on 21 September 2026. Cast hires are announced in the late summer and autumn, and the 2026 intake was in by then, so the last hiring year it can contain is 2026, and the roster confirms that: no record on it starts later than 2026. Three hiring years of the decade are still to come. Both ends of the curve are half bars. Only the four in the middle cover a whole decade of hiring apiece, and only those four are strictly comparable to each other. Taken alone they read 44.0%, 32.4%, 22.7% and 24.1%, on 138 people and 46 credits, so the decline is in the comparable stretch and not an artefact of the short ends.
Using shares rather than counts takes most of the sting out of the two short bars, because a share does not care how many years produced the cohort. It cares how many people did. The 1970s figure rests on fifteen people and the 2020s on twenty-one, so both ends are thin as well as short, and one or two names move either of them several points. The 2020s figure has a further softness peculiar to this flag: a credit with no date attached still has to be earned at some point, and somebody hired in 2024 has had fewer chances to earn one than somebody hired in 1984. Read 9.5% as a floor.
Even with every allowance made, the fall is real. Split the roster at 1990 and the people who joined in the show's first fifteen years carry the credit at 32 of 65, or 49.2%, against 26 of 109, or 23.9%, for everyone since. On a two-proportion test that is z=3.44, p=0.0006. The writer-performer went from half the intake to a quarter of it.
One group did not follow the roster down. Twenty-four people carry the flag marking them as a Weekend Update anchor, and 14 of them have a writing credit, 58.3% against 29.3% for the other 150, which tests at z=2.80, p=0.0051. That is the largest gap attached to any of the six role flags: the hosting flag pulls writers at 46.2%, the compilation flag at 42.9%, and the plain repertory and featured flags sit at 32.3% and 33.9%, indistinguishable from the roster as a whole. The anchor flag carries the same warning as the writing one, being a bare boolean with no date and no duration on it, so it says somebody anchored and not when or for how long. But the concentration is in the membership, and the membership is not in doubt.
The concentration is a tendency and not a monopoly, and the same figures show where it stops. Fourteen people with a writing credit joined in 2000 or later, and only 4 of those 14 ever anchored. The other ten wrote and performed without going near the desk, and two of them are Tina Fey and Seth Meyers, whose real career sequence is common knowledge well outside this file; the flag has no date on it, so that sequence is not something this essay claims from the data. What the desk does is hold its rate up while the roster's falls: of the anchors who joined from 1990 onwards, 6 of 10 carry the writing credit, at a time when their whole cohort was running under a quarter.
That is what makes specialisation the better reading than disinterest. Nothing suggests the show stopped wanting funny writing from its performers. What changed is that the two jobs stopped being one job by default, and one slot was left where they remain hard to separate: an anchor reads to camera in their own voice for a whole season, and the material and the delivery are difficult to hand to two people. The rest of the show can be written by a room and performed by a cast, and increasingly it is.
The last figure cuts against the obituary. Of the seventeen people in the cast right now, 5 carry a writing credit, which is 29.4% and a little under the roster's own third. The writer-performer is not gone from the air. But three of those five, Che, Jost and Day, were hired between 2014 and 2016, so what the roster shows is a type still very much present and much less often newly recruited. The roster table sorts by seasons served and the cast biographies carry the role flags person by person, so the fifty-eight are all there to be counted again, and the history gives the seasons they arrived in.
Cast dates and tenures on this site come from Wikipedia; the counting and the reading of it above are our own. More of these are on the articles page, and corrections are welcome at info@snlroster.com.